ebrary, Inc, Robbins, M. M., & Boesch, C. (2011). Among African apes: Stories and photos from the field. University of California Press.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रebrary, Inc, Martha M. Robbins, और Christophe Boesch. Among African Apes: Stories and Photos from the Field. Berkeley: University of California Press, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्रebrary, Inc, et al. Among African Apes: Stories and Photos from the Field. University of California Press, 2011.
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